The auto-response
feature allows you to send out auto response emails based on
triggers that include:

Affiliate Joins

Affiliate Refers another
Affiliate

Updates account

makes Nth sale or nth lead
during specified period

For example, you might send a
specific message to an affiliate after they make their very first
sale. This will show them their marketing is working and
encourage them to spend additional time promoting your web site.

This feature also allows you to view
a history of all auto responses that have been sent.